The play “4.48 Psychosis” was completed just months before its British playwright Sarah Kane’s suicide, and was performed shortly thereafter. Her suffering resulted in a true-to-life interpretation of clinical depression that’s now performed globally. Don’t miss Bonnie Chan’s self-directed performance at Theatre du Pif. May 12-15. 8:30pm. Studio Theatre, Cultural Centre, 10 Salisbury Rd., Tsim Sha Tsui, 2111-5999. thtdupif.com. $160-240 through urbtix.hk.