SUPPLEMENT TO THE CURRENTLY EFFECTIVE SUMMARY PROSPECTUSES OF EACH OF THE LISTED FUNDS

Deutsche Global Small Cap Fund

Deutsche Global Small Cap VIP

The following information replaces the existing disclosure contained under the “Portfolio Manager(s)” sub-heading of the “MANAGEMENT” section of each fund’s summary prospectus.

Peter Barsa, Director. Portfolio Manager of the fund. Began managing the fund in 2018.

Please Retain This Supplement for Future Reference

April 19, 2018

PROSTKR-1012