Dina, a former flight attendant trapped in debt and working for a dodgy online loan company, finds temporary relief in a charismatic stranger, Rama, whom she meets on a dating site. Their nightly 'sleep calls' become an addictive comfort in her troubled life. However, as their virtual relationship deepens, a disturbing series of unexplained deaths start to occur around her. As Dina wrestles with her growing love for Rama, she is unknowingly pulled into a dangerous obsession.