Holly J. finds out the hard way, unfortunately, that there's only place for one woman in Declan's life...his sister. Will rivalry end the summer of Love? In an attempt to cheer Spinner up, Manny, Jay and Emma bring him to a casino where after a drink to many, Spinner and Emma wake up in a hotel room...married à la Las Vegas. Spinner and Emma decide not to have an annulment and throw together and another wedding in front of all their family and friends. Jane desperately tries to crash the wedding and Holly clings on the Declan any way she possibly can.