But He's My Boyfriend, Stepsis!

When my stepsister Rachel and I move into an apartment together, I'm not surprised that she starts to flirt with my firefighter boyfriend Mickey: he's the absolute definition of a hunk, tossing our heaviest boxes around like they weigh nothing at all (exactly the way he tosses me around in the bedroom ...).

But I am very surprised when I start to catch some sparks between Rachel and me, and suddenly feel an attraction to my stepsister that I've never felt before ...