Happy death day is a thriller movie about a girl who is murdered on her birthday and gets multiple chances to find out who her killer is and wakes up on the same day everyday. sounds confusing but the execution is really nice and all the actors have portrayed the role well. the lead actress is really convincing in her role and guessing the killer is also a really hard job. the movie does not bore you in any part of it and hence overall it’’s an engaging thrilling and a good one time watch movie.