He went there to reconnect with his mother.
Emily and Spencer also broke into Jason's shed and discovered a dark room, with numerous photos of Aria and surveillance equipment.
- Mike appears to be in major trouble, practically comatose in bed when his dad walks in. We learn that there could be a connection to his uncle, as Byron's brother Scott apparently had some kind of drug or depression problem.
- Aria had sex dreams about Jason, but tried to counter them by jumping on Ezra. He went with it, but also wondered why Aria is acting that way.
- Jenna and Garrett saw Jason with Aria and the former got worried that he might remember that night and tell something to Aria.
- A forced Emily to give one of Samara's friends her number, under threat of exposing her HGH results. Emily did. Samara found out and dumped her.
Source: TV Fanatic