Chuck Versus the Marlin

Captain Awesome asks Chuck if he can have Ellie's hand in marriage, and then insists Chuck holds on to the ring until he plans it all out. Chuck decides to lock it in his Buy-More locker, and returns the next day to discover everything had been stolen from the store. Meanwhile, Agent Casey and Agent Walker discover that the CIA has been spying on them in hopes of discovering "the intersect." With Chuck's identity and life on the line, NSA has no other option than to relocate Chuck into a permanent holding cell. Will Chuck lose his family and friends forever?