Photo Credit: Netflix

'Bad Connection' portrays the intertwined stories of six individuals entangled in inescapable connections. This series marks director Lee Il-hyung's debut in series format, known for the film 'A Violent Prosecutor'. The cast includes Park Hae-soo, Shin Min-a, Lee Hee-jun, Kim Sung-kyun, Lee Kwang-soo, and Gong Seung-yeon.

The teaser poster features the title 'Bad Connection' inscribed in bold letters, with six characters linked by red threads. According to 'Bad Connection's production team, the tangled red threads, impossible to trace back to a starting point, symbolize the characters' fates linked by inescapable ties, stimulating curiosity about how this web of connections will unravel.

The trailer, accompanied by solemn music, introduces the six protagonists: the witness (Park Hae-soo), Ju-yeon (Shin Min-a), the loan shark (Lee Hee-jun), Gil-ryong (Kim Sung-kyun), the man with glasses (Lee Kwang-soo), and Yoo-jeong (Gong Seung-yeon), marking the beginning of their intense entanglement. The phrase "an unbreakable evil connection" appears, alongside the statement "Let's end this dirty relationship here", raising intrigue about the circumstances trapping these characters in an unavoidable cycle. The narrative challenges viewers to speculate about the incidents binding these individuals together, with escalating tension and engagement evident as the characters' emotions intensify towards the climax.