Lydia is a struggling graduate with no job and an apartment she can't afford, so when a stranger called Stephanie offers her somewhere to live rent-free, she jumps at the chance. Better yet, her new friend also introduces her to a hot guy who drinks at the local coffee shop.
But Lydia is about to discover the true nature of this man's interest in her, and the reason why Stephanie's milkshakes are so very tasty.