Troy Ruptash

The death of a young botanist leads the CBI team into the lucrative world of medical marijuana, while Cho’s work with the rapid response team brings him back into contact with his former girlfriend and confidential informant, Summer Edgecombe (returning guest star SAMAIRE ARMSTRONG).

Gabrielle tries to keep Grace in her life; Renee shares a dark secret with Susan; Paul's plan is revealed.

Michael seeks revenge against Whistler and Gretchen and uncovers unbelievable news; Lincoln and Michael are reunited with the gang and get an offer from a Homeland Security agent; Mahone experiences a devastating loss; T-Bag is deserted.

Michael seeks revenge against Whistler and Gretchen and uncovers unbelievable news; Lincoln and Michael are reunited with the gang and get an offer from a Homeland Security agent; Mahone experiences a devastating loss; T-Bag is deserted.

Michael, Lincoln and Sucre have to crash a police benefit to get the next card key; Sarah falls back into an old habit; on his first day of his new job, T-Bag runs into some old friends and arouses suspicion.