Torello helps a pretty Asian girl find her missing father, who's been owing money to some loan sharks. What he doesn't know is that she's actually a secret agent of communist China on a radioactive mission.
How Paulie and Luca survived the atomic blast that seemingly killed them both at the end of season 1, how they made a deal with the government and how, with a little help from their mob friends, they got back in the business.
Torello and his crew are after Luca, so he hides in Mexico. They go after him, even though the US government refuses to help them track him down there. However, this time Torello has a contact there who can help.
Danny ends up in Mexican prison. Torello manages to fins allies among mobsters who hate Luca, to get Danny out before he gets shanked. Luca demands respect from a corrupt local general, but he gets none.
Luca gets hold of Abrams and forces Torello to give him back his captured heroin shipment in exchange. However, Mike's not going to let him escape this time and goes after him anyway, with tragic consequences all around.