Daniel, a thirty-year-old Wall Street CEO who is still a virgin, makes a birthday wish to finally lose his virginity, only to accidentally summon Dante, a demon of desire. But Daniel has been secretly in love with Carson for ten years and wants his first time to be with someone he truly loves. To fulfill the wish contract and return to Hell, Dante becomes Daniel's personal assistant and helps him pursue Carson, only to fall for Daniel himself. Meanwhile, Daniel begins to realize that Carson has only been using him for his wealth and connections. Instead, he finds himself falling for the shameless, flirtatious demon who genuinely cares about him. When the contract's backlash threatens Dante's life, the two finally confess their feelings, only to face opposition from Caleb, the ruler of Hell. Determined to fight for their love, Daniel ventures into Hell, where he and Dante must face a series of trials to prove their love.
