When Danny's ex-wife, Christina, comes back to New York to confront Danny about an emotional letter he had written to her, Morgan confesses that he had sent the letter unbeknownst to Danny, causing Danny to fire Morgan out of anger. Meanwhile, the rest of the staff compete in a triathlon and go head-to-head with the midwives, who have hired Morgan to work for them.

When Mindy decides to go to Haiti on a volunteer mission with Casey, Danny and his ex-wife, Christina, throw a party for them that they will never forget.