Thadayam is a Tamil true-crime thriller series directed by Navinkumar Palanivel and starring Samuthirakani in his first web series lead role. Inspired by real 1999 murders along the Tamil Nadu–Andhra Pradesh border, the show follows an SI investigating a series of patterned killings. The series premieres on ZEE5 on February 27, 2026.Thadayam is a Tamil true-crime thriller series directed by Navinkumar Palanivel and starring Samuthirakani in his first web series lead role. Inspired by real 1999 murders along the Tamil Nadu–Andhra Pradesh border, the show follows an SI investigating a series of patterned killings. The series premieres on ZEE5 on February 27, 2026.