Collins must investigate the two witnesses who saw the accident: a five-year-old boy and rookie police officer Lizzie Griffiths, and must track down the latter after she disappears.
Based on Kate London's Metropolitan book series, the 2021 British drama The Tower features Game of Thrones alum Gemma Whelan as Sergeant Sarah Collins, a police officer in London who is assigned to look into the disturbing deaths of a veteran MPS officer and teenage Libyan girl, who tragically plummeted to their deaths after falling from a tower block. Collins must investigate the two witnesses who saw the accident: a five-year-old boy and rookie police officer Lizzie Griffiths, and must track down the latter after she disappears.