A school bus pulls up to school, dropping off girls in uniforms. One of them sees a car waiting and walks over to it. It's Jack waiting to check on Jen Long, the girl he went AWOL to rescue. She asks him if maybe he shouldn't be worrying about his own daughters and tells him he needs to move on.
Cut to a man waiting at a bus stop. A father starts calling out for his son, the kid runs in front of a bus, the man on the bench races to save him - then wakes up.
There's a newspaper with a story about the "hero" who saved the boy laying on the seat next to him. He's a repo man and goes to get a car. The car owner gets mad at him and threatens to get his friends to beat him up.
The repo man vanishes.
There are bullet holes in the tow truck windshield the next day as the team looks it over at 10 hours missing. Connor Banes is missing.
At the office, Sam says the blood on the truck is a match for Connor. The guy who threatened to beat him up has an alibi.
Jack brings Sam his information on her baby daddy Brian Donovan.
Jack talks to Connor's girlfriend, who says that he was different after he saved the kid. He was sweet and into helping people until a couple days ago, when he got moody. She got hang-up calls the night before.
Elena and Martin go talk to his boss, and find an invoice that's not in the system that has Connor's number on it.
Jack goes into his office and finds a woman in his chair. She's cleared time on his calendar to meet with him. She's the psychiatrist he has to talk to after taking lethal action.
Martin talks to the "Bobby" on the invoice, it's a hot chick. She tells him that Connor interrupted her with a tow truck driver named Frank and ran him off. She said Connor told her Frank was unlicensed and to call if she saw him again, why he left his number.
Martin finds Frank's on parole for rape and Elena finds Frank was fired from Connor's job and used to sexually harass women.
They pick up Frank. He offers to tell them something if they'll forget he's towing without a license.
Flashback to Frank waiting to talk to Connor and seeing an angry man screaming at him.
Frank gives them a description to make a sketch.
Danny finds a job Connor left off his resume and says he'll bring in the boss.
Brian shows up to take Sam to lunch but, armed with the info Jack got, she sits him down in an interview room, not pleased.
Sam asks him why he was accused of raping a 16-year-old. He says he was working a catering job and the drunk girl started hitting on him, but he rebuffed her. He forgot about it until he was hauled in and interrogated the next day. The charges were dropped when it turned out she was lying.
Brian's not thrilled she dug through his past. He leaves, angry.
Jack talks to Joe, a man Connor worked for, who says that Connor was a heroin addict and he was his NA sponsor. He says Connor called him yesterday after feeling the urge.
Flashback to Connor telling him being a hero felt good and he started chasing that high. Connor says saving a busload of nuns wouldn't make up for what he did. He asks Joe how he's supposed to make amends to a dead person.
Joe tells Jack he doesn't know anything about whoever died.
Martin shows Viv what he's found from Connor's hometown, a TV news report from Iowa about a mother and child dying in a fire in which Connor was the sole survivor. Martin says the lead investigator told him they thought Connor started the fire.
Danny briefs Viv on the victims, who died of smoke inhalation. Connor survived because he was out back in his workshop. Sam finds their sketch matches the victim's dad, Nate.
Sam gets something from a courier that doesn't make her happy.
They find the victim's dad in town, and a gun in his hotel room.
Flashback to Nate confronting Connor at the tow shop, trying to get him to confess. He does. Saying it was his fault and they're dead because of him.
He heard Nicole screaming, and he thought it was because she was still mad at him so he ignored her.
Flashback within a flashback to Connor in his workshop, hearing screams, running out to see the house on fire.
Nate calls him a coward and tells him he's going to have to live with that.
Back at the office, he says seeing Connor didn't help. He says he didn't use the gun.
Danny says a traffic camera caught Connor's truck in a bad neighborhood, the same neighborhood where the calls he got the night before came from. They go to check it out.
Jack goes to see the shrink. She tells him she can't help him because after reviewing his files she can tell he doesn't care about breaking rules. Soon, he's opening up and sitting down, admitting sometimes he gets too personal.
The shrink asks him about Jen Long, why he broke so many rules for her. Soon, she homes in on the idea that it was because he can't fix his relationship with his own daughters.
Elena and Martin show Connor's picture in the bad part of town, thinking he was trying to score.
A woman on the street doesn't remember him, but remembers the truck and Connor pulling over to help a boy being chased by men with guns, drug dealers.
She says the kid he helped is as bad as the guys chasing him and Connor's in trouble if he's in the middle of it.
Back at the office, Sam takes the paper she got couriered over and goes in to yell at Jack. It's a waiver of parental rights. Brian now wants nothing to do with her or the baby. She tells Jack it was none of his business. He says he just did what he thought was right. She asks him how long he's going to use that as an excuse to screw people over. She storms out.
Elena interviews the kid Connor picked up. He says he stashed the drugs he stole in Connor's truck and he lured him back by calling and saying his mom was in trouble. Connor tried to get the drugs back when he saw them and another dealer came and shot at him, hitting him. The kid followed after him to finish him off.
He went up to shoot Connor as he sat there, begging to be killed.
He couldn't do it. He left him in the warehouse.
The team goes to find him. He's out cold in the warehouse, but alive.
Elena goes to talk to him in the hospital. Connor tells her about the fire. She tells him he didn't set the fire and "being human isn't a crime." She says it's time for him to forgive himself.
He starts to cry and his girlfriend comes in.
Cut to Jack stopping by the shrink's office. He starts to talk about a recurring dream with water flooding under a door.
She asks shrink questions. He makes an "I'm a tough man not used to discussing my emotions but I'm ready to unload my baggage for the sake of my family" face. Fade out.