Plot summary
Rick decides to give Michonne to the Governor against Hershel and Daryl's judgement. After enlisting Merle's help, Rick changes his mind, but Merle has already taken Michonne to fulfill the deal. Rick comes clean to the group and resigns leadership, delegating the major decisions to a vote. Merle decides to release Michonne and sabotages the Governor's men. The Governor kills Merle and leaves him to reanimate. Daryl discovers him and puts him down.
Credits
Adapted from Wikipedia contributors, The Walking Dead season 3. HTML formatting and reference markers removed.