It is billed as Singapore's first modern-day creature feature, produced by Taipan Films and mm2 Entertainment,[1] directed by JD Chua[2] and stars Jesseca Liu, Peter Yu, Andie Chen and Patrick Lee.

In a Southeast Asian city, an error in the subway's automated systems causes the last train for the night to veer off-course into a series of old, abandoned tunnels.

Among the passengers are a single mother traumatized by the death of her husband in an accident, her young son and the estranged teenaged daughter of the subway's chief engineer.

[5] Lead designs, pre-visualization and visual effects were undertaken by Omens Studios in Singapore,[4] while final post-production was done at Kantana Post in Bangkok, Thailand.

[1] The effects of the COVID-19 pandemic on the local and worldwide film market led to the delay of the intended release of the movie in 2020.